March 2019
Intermediate to advanced
636 pages
27h 50m
English
book
Blockchain Development with Hyperledger
by Salman A. Baset, Luc Desrosiers, Nitin Gaur, Petr Novotny
Content preview from Blockchain Development with Hyperledger
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Installing and instantiating chaincode
We now need to install the chaincode on the channel before we initiate it, which will invoke the method Init:
- Installing the chaincode: In a new terminal, connect to the CLI container and install the chaincode with the name tw, as follows:
$ docker exec -it cli bash $ peer chaincode install -p chaincodedev/chaincode/trade_workflow_v1 -n tw -v 0
- Now, instantiate the following chaincode:
$ peer chaincode instantiate -n tw -v 0 -c '{"Args":["init","LumberInc","LumberBank","100000","WoodenToys","ToyBank","200000","UniversalFreight","ForestryDepartment"]}' -C tradechannel
The CLI-connected terminal now contains a list of log messages of the interaction with the chaincode. The chaincode terminal shows ...
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